NTFS Data Runs

template "NTFS Data Runs"

//template by Jens Kirschner
//X-Ways Software Technology AG

description "To be applied to beginning of data runs"
applies_to disk

begin

{
 uint_flex "3,2,1,0" "ClusterCountSize"
 move -4
 uint_flex "7,6,5,4" "ClusterStartSize"
 move -3

 ifequal ClusterCountSize 0
  ExitLoop
 endif

 ifGreater ClusterCountSize 4
  section "Unsupported value in Data Run"
  ExitLoop
 endif

 ifGreater ClusterStartSize 4
  section "Unsupported value in Data Run"
  ExitLoop
 endif

 ifequal ClusterCountSize 1
  int8 ClusterCount
 endif

 ifequal ClusterCountSize 2
  int16 ClusterCount
 endif

 ifequal ClusterCountSize 3
  int24 ClusterCount
 endif

 ifequal ClusterCountSize 4
  int32 ClusterCount
 endif

 ifequal ClusterStartSize 0
  section "(sparse or compressed)"
  endsection
 endif

 ifequal ClusterStartSize 1
  int8 ClusterStart
 endif

 ifequal ClusterStartSize 2
  int16 ClusterStart
 endif

 ifequal ClusterStartSize 3
  int24 ClusterStart
 endif

 ifequal ClusterStartSize 4
  int32 ClusterStart
 endif

 endsection

}[150]  //arbitrary end to avoid infinite loops

end